security checks most likely stop going out to the people, for example, who live off that check, not only do $50 to $100 billion disappear to treasury bills, not only does the stock market tank, but interest rates, the only good thing in the economy right now, only point of flexibility in the economy that's limping around, interest rates near zero now. if they default, you know what happens to them? you take a direct hit on your mortgage, credit card bills, car loan, student loan, home equity loan. on any loan you got. this will have a personal affect on you. as tough as it gets to you for an individual human, it gets tough in all the same ways for businesses, particularly in small businesses too. you're not going to be able to get loans, same things for businesses. as we'll all throw our hands in the air and scream as we watch indicators like this again, the whole u.s. economy will grind to a halt alongside the government.